Add function helpers to nginx template
Add function helpers to nginx template

jcmoraisjr/ingress,kubernetes/ingress-gce,arjanschaaf/ingress,canhnt/ingress,danielqsj/ingress,chentao1596/ingress,chentao1596/ingress,coryfklein/ingress,aledbf/ingress-nginx,nicksardo/ingress,jcmoraisjr/ingress,nevetS/ingress,caiyixiang/ingress,matthewg/ingress,kubernetes/ingress-nginx,porridge/ingress,kubernetes/ingress-gce,aledbf/ingress-nginx,porridge/ingress,caiyixiang/ingress,canhnt/ingress,kubernetes/ingress-nginx,kubernetes/ingress-nginx,coryfklein/ingress,nevetS/ingress,jcmoraisjr/ingress,nicksardo/ingress,canhnt/ingress,canhnt/ingress,kubernetes/ingress-nginx,literalice/ingress,aledbf/ingress-nginx,caicloud/ingress,literalice/ingress,aledbf/ingress-nginx,matthewg/ingress,caicloud/ingress,caicloud/ingress,arjanschaaf/ingress,caicloud/ingress,winfield-chen-hs/ingress,nicksardo/ingress,danielqsj/ingress,kubernetes/ingress-nginx,nicksardo/ingress,winfield-chen-hs/ingress